code: def test_read_default_dict(self):
      text = "abcdef"
  
      aug = naw.SpellingAug()
      self.assertTrue(aug.model.dict_path)
      aug.augment(text)
      self.assertTrue(True)
  
file_path: nlpaug/test/augmenter/word/test_spelling.py
imports: import unittest
  import os
  from dotenv import load_dotenv
  import nlpaug.augmenter.word
label_desc: Use image node_id 2 for calling the TestSpelling obj's underlying member method code with example usage: obj.test_read_default_dict() without return types